The Binding Activity of Human PRLR with Anti-PRLR recombinant antibody. Activity: Measured by its binding ability in a functional ELISA. Immobilized Human PRLR (CSB-MP018727HU1d7) at 2 μg/mL can bind Anti-PRLR recombinant antibody, the EC<sub>50</sub> is 126.8-171.9 ng/mL.